Home / 171,098.18-236,130.09-99,473.66

Finding the Fourth Proportional to 171,098.18, 236,130.09 and 99,473.66

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Solution

The fourth proportional to 171,098.18, 236,130.09 and 99,473.66 is: 137,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,098.18 : 236,130.09 = 99,473.66 : x
  2. Step 2: Convert to fraction form
    171,098.18/236,130.09 = 99,473.66/x
  3. Step 3: Cross multiply
    171,098.18x = 236,130.09 × 99,473.66
  4. Step 4: Simplify right side
    171,098.18x = 23,488,724,288.43
  5. Step 5: Solve for x
    x = 23,488,724,288.43/171,098.18
  6. Step 6: Final answer
    x = 137,282.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.